$ git clone -n https://src.fedoraproject.org/rpms/mingw-libtasn1.git /var/lib/mock/f45-build-18579-522/root/chroot_tmpdir/scmroot/mingw-libtasn1
Cloning into '/var/lib/mock/f45-build-18579-522/root/chroot_tmpdir/scmroot/mingw-libtasn1'...
$ git fetch origin 8510cdc4bcf783e6c109834120ed791d6d4bf00f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-libtasn1
 * [new ref]         8510cdc4bcf783e6c109834120ed791d6d4bf00f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8510cdc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild